442046679 has 8 divisors (see below), whose sum is σ = 589494912. Its totient is φ = 294648120.

The previous prime is 442046677. The next prime is 442046711. The reversal of 442046679 is 976640244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442046679 - 2¹ = 442046677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442046679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442046677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21894 + ... + 36924.

It is an arithmetic number, because the mean of its divisors is an integer number (73686864).

Almost surely, 2^442046679 is an apocalyptic number.

442046679 is a deficient number, since it is larger than the sum of its proper divisors (147448233).

442046679 is a wasteful number, since it uses less digits than its factorization.

442046679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24837.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 442046679 is about 21024.9061591247. The cubic root of 442046679 is about 761.7679748372.

The spelling of 442046679 in words is "four hundred forty-two million, forty-six thousand, six hundred seventy-nine".